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Girls in STEM
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STATISTICS
Definition;
Statistics involves the collection, organization, manipulation, representation and analysis of data information.
Examples of data collection include;
Organizing Data
We normally organize data in a table i.e. the frequency table.
Frequency is the number of times on item appears, Therefore the frequency table shows the number of items in the respective sets of consecutive objects.
Examples:
Below are the number of children in each student’s home?
Frequency Table
. Below are the colours of shoes students in 2m want most
Organize the data in frequency table.
Representing data
Data is represented on any of the following;
The Pictograph
Information is represented using pictures. A scale is used, such that the number of pictures represents the frequency.
Examples:
Represent the information on a pictograph
Pictograph showing colours liked most by pupils in S2MGHS
Pie charts
Information is represented using angles. The size of the angle represents the frequency.
Examples
Use a pie chart to represent the following information
A pictograph to show fruits that have been picked for month.
Scale 0 : 2 fruits
A pie chart to show fruits that are picked from a garden.’
The Bar Graph / Chart
Information is presented on a graph, with the length of the bars giving the frequency, The bars are drawn with the same width.
Example:
If the frequency table below gives the age of 30 students chosen at random from 9H6 . Draw a bar chart to present this information.
ASSIGNMENT : STATISTICS ASSIGNMENT MARKS : 30 DURATION : 2 hours